In early December, a federal judge scheduled the first of what could be dozens of trials in a group of nuisance lawsuits filed against Murphy-Brown LLC, a subsidiary of Smithfield Foods – the world's largest pork processor and hog producer. The first two test cases are set to be tried in April.

Conservationists and regulators are at odds over how much coal ash was swept away by flooding during Hurricane Matthew – state inspectors say it would fit in the bed of a pickup truck while a watchdog group argues it's a much larger spill.

Environmental attorneys and a New Orleans energy company agreed to work out differences over the confidentiality of documents related to an ongoing Gulf of Mexico oil leak from an offshore site damaged by Hurricane Ivan in 2004.

Environmental groups and a New Orleans energy company have reached a settlement agreement in a lawsuit stemming from the company's failed efforts to stop a decade-old, slow-motion oil spill in the Gulf of Mexico.

Environmental regulators promised an aggressive cleanup after a tanker train hauling 2.9 million gallons of crude oil derailed and burned in a west Alabama swamp in early November amid a string of North American oil train crashes. So why is dark, smelly crude oil still oozing into the water four months later?

The U.S. Environmental Protection Agency will gather information about factory farms to determine whether more should be regulated as part of a settlement with environmental groups concerned about water pollution.